Senior Machine Learning Scientist (Experiences)
Core
Technical lead and pod architect for the core discovery engine, owning ML strategy for Search, Retrieval, Ranking, and Content AI to power travel itinerary planning.
Role type
Senior IC machine learning scientist (technical lead)
Builds
Production-grade ML models for search, retrieval, ranking, and generative AI features
Domain
Travel technology, marketplace discovery, recommendation systems
Deliverable
production ML models
Required skills
Python, PyTorch, TensorFlow, deep learning, feature engineering, multi-task learning, ranking algorithms, model optimization (quantization/distillation), experiment tracking, data versioning
Preferred skills
Graph Neural Networks, knowledge graphs, multi-modal representation learning, agentic AI workflows, sequential recommendation systems
Responsibilities
Design and implement custom model components and loss functions; evaluate and adapt SOTA architectures for production; build validation automation and golden datasets; collaborate with engineering on compute infrastructure; diagnose algorithmic bugs and implement guardrails; mentor mid-level and associate ML scientists
Seniority
Senior, hands-on IC with technical leadership